linux-kernel - Re: + remove-current-defines-and-uses-of-pr_err-add-pr

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Date:	Sat, 4 Aug 2007 11:43:33 +0200 (CEST)
From:	Jan Engelhardt <jengelh@...putergmbh.de>
To:	Joe Perches <joe@...ches.com>
cc:	Jean Delvare <khali@...ux-fr.org>, linux-kernel@...r.kernel.org,
	akpm@...ux-foundation.org, mm-commits@...r.kernel.org,
	adaplas@....net, greg@...ah.com, jeff@...zik.org
Subject: Re: + remove-current-defines-and-uses-of-pr_err-add-pr_emerg.patch
 added to -mm tree


On Aug 3 2007 15:16, Joe Perches wrote:
>On Fri, 2007-08-03 at 17:05 +0200, Jean Delvare wrote: 
>> Fine with me, but this first patch should still be correct per se.
>
>Add new pr_<level> printk(KERN_<level> fmt "\n", ##arg) to kernel.h
>pr_info and pr_debug are unchanged
>Remove local pr_err #defines
>Convert current uses of pr_err
>
>Signed-off-by:  Joe Perches <joe@...ches.com>
>
>diff --git a/include/linux/kernel.h b/include/linux/kernel.h
>index 4300bb4..6447072 100644
>--- a/include/linux/kernel.h
>+++ b/include/linux/kernel.h
>@@ -229,20 +229,24 @@ extern void print_hex_dump_bytes(const char *prefix_str, int prefix_type,
> 			void *buf, size_t len);
> #define hex_asc(x)	"0123456789abcdef"[x]
> 
>+#define pr_emerg(fmt, arg...)	printk(KERN_EMERG fmt "\n", ##arg)
>+#define pr_alert(fmt, arg...)	printk(KERN_ALERT fmt "\n", ##arg)
>+#define pr_crit(fmt, arg...)	printk(KERN_CRIT fmt "\n", ##arg)
>+#define pr_err(fmt, arg...)	printk(KERN_ERR fmt "\n", ##arg)
>+#define pr_warn(fmt, arg...)	printk(KERN_WARNING fmt "\n", ##arg)
>+#define pr_notice(fmt, arg...)	printk(KERN_NOTICE fmt "\n", ##arg)
>+#define pr_info(fmt, arg...)	printk(KERN_INFO fmt, ##arg)
>+

Ugh. What do we have printk for then? I do not like this.
For pr_debug() it makes sense because its semantics change with
-DDEBUG and -UDEBUG, but for these pr_()s it does not seem so.


> 	if (omap_request_gpio(15)) {
>-		pr_err("can't request GPIO 15\n");
>+		pr_err(PFX "can't request GPIO 15");
> 		omap_free_gpio(14);
> 		r = -1;
> 		goto exit;
>
>
>-
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>

	Jan
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